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test/runtime/Unsafe/GetPutBoolean.java

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  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @summary Verify behaviour of Unsafe.get/putBoolean
  27  * @library /test/lib
  28  * @modules java.base/jdk.internal.misc
  29  *          java.management
  30  * @run main GetPutBoolean
  31  */
  32 
  33 import java.lang.reflect.Field;
  34 import jdk.test.lib.unsafe.UnsafeHelper;
  35 import jdk.internal.misc.Unsafe;
  36 import static jdk.test.lib.Asserts.*;
  37 
  38 public class GetPutBoolean {
  39     public static void main(String args[]) throws Exception {
  40         Unsafe unsafe = UnsafeHelper.getUnsafe();
  41         Test t = new Test();
  42         Field field = Test.class.getField("b1");
  43 
  44         long offset = unsafe.objectFieldOffset(field);
  45         assertEquals(false, unsafe.getBoolean(t, offset));
  46         unsafe.putBoolean(t, offset, true);
  47         assertEquals(true, unsafe.getBoolean(t, offset));
  48 
  49         boolean arrayBoolean[] = { true, false, false, true };
  50         int scale = unsafe.arrayIndexScale(arrayBoolean.getClass());
  51         offset = unsafe.arrayBaseOffset(arrayBoolean.getClass());
  52         for (int i = 0; i < arrayBoolean.length; i++) {
  53             assertEquals(unsafe.getBoolean(arrayBoolean, offset), arrayBoolean[i]);
  54             offset += scale;
  55         }
  56     }
  57 
  58     static class Test {
  59         public boolean b1 = false;
  60     }


  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @summary Verify behaviour of Unsafe.get/putBoolean
  27  * @library /test/lib
  28  * @modules java.base/jdk.internal.misc
  29  *          java.management
  30  * @run main GetPutBoolean
  31  */
  32 
  33 import java.lang.reflect.Field;

  34 import jdk.internal.misc.Unsafe;
  35 import static jdk.test.lib.Asserts.*;
  36 
  37 public class GetPutBoolean {
  38     public static void main(String args[]) throws Exception {
  39         Unsafe unsafe = Unsafe.getUnsafe();
  40         Test t = new Test();
  41         Field field = Test.class.getField("b1");
  42 
  43         long offset = unsafe.objectFieldOffset(field);
  44         assertEquals(false, unsafe.getBoolean(t, offset));
  45         unsafe.putBoolean(t, offset, true);
  46         assertEquals(true, unsafe.getBoolean(t, offset));
  47 
  48         boolean arrayBoolean[] = { true, false, false, true };
  49         int scale = unsafe.arrayIndexScale(arrayBoolean.getClass());
  50         offset = unsafe.arrayBaseOffset(arrayBoolean.getClass());
  51         for (int i = 0; i < arrayBoolean.length; i++) {
  52             assertEquals(unsafe.getBoolean(arrayBoolean, offset), arrayBoolean[i]);
  53             offset += scale;
  54         }
  55     }
  56 
  57     static class Test {
  58         public boolean b1 = false;
  59     }
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